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Nitrous oxide

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Active ingredient
Nitrous Oxide 99 kg/100 kg
Other brand names
Dosage form
Gas
Route
Respiratory (inhalation)
Prescription status
Rx (prescription)
Marketed in the U.S.
Since 1958
Label revision date
November 14, 2025
Active ingredient
Nitrous Oxide 99 kg/100 kg
Other brand names
Dosage form
Gas
Route
Respiratory (inhalation)
Prescription status
Rx (prescription)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 1958
Label revision date
November 14, 2025
Manufacturer
Holston Gases, Inc
Registration number
NDA206009
NDC root
55050-0018

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Drug Overview

Nitrous Oxide USP is a non-flammable gas that is commonly used as an anesthetic and analgesic (pain-relieving) agent in medical settings. It works by inducing a state of relaxation and reducing pain, making it useful during various medical procedures. Due to its properties as an oxidizer, it is important that nitrous oxide is administered only by trained professionals who are familiar with its effects and safety precautions.

While nitrous oxide can cause drowsiness or dizziness, it is essential to use it in a controlled environment to ensure safety. This gas is typically used in well-ventilated areas, and care must be taken to avoid any potential hazards associated with its use.

Uses

Nitrous Oxide is a gas that is used in medical settings, primarily for its anesthetic properties. It is important to note that the administration of Nitrous Oxide can be hazardous or not recommended in certain situations. Therefore, it should only be used by or under the supervision of a licensed healthcare professional who has experience with this gas. This practitioner should be knowledgeable about how to properly administer Nitrous Oxide, including understanding its effects, dosages, and potential side effects.

While there are no specific teratogenic effects (which refer to substances that can cause developmental abnormalities in a fetus) or nonteratogenic effects noted for Nitrous Oxide, it is crucial to approach its use with caution and under professional guidance.

Dosage and Administration

When using Nitrous Oxide, it's important to know that this medication should only be administered by a licensed practitioner who has experience with it. This is because the use of Nitrous Oxide can be hazardous or not recommended in certain situations.

You will receive Nitrous Oxide through inhalation, which means you will breathe it in. This method allows the medication to work quickly, but it must be done under careful supervision to ensure your safety and well-being. Always follow the guidance of your healthcare provider regarding its use.

What to Avoid

It’s important to be aware of certain precautions when using Nitrous Oxide. First, you should not handle this substance until you have read and understood all safety precautions, as its administration can be hazardous. Make sure to avoid breathing in the gas, and do not allow it to come into contact with your eyes, skin, or clothing.

Additionally, always use and store Nitrous Oxide outdoors or in a well-ventilated area to minimize risks. Following these guidelines will help ensure your safety and the safe use of this substance.

Side Effects

Using nitrous oxide can lead to several side effects that you should be aware of. It may cause drowsiness or dizziness, so it's important to be cautious. Additionally, nitrous oxide can displace oxygen, which could lead to rapid suffocation if not used properly. There is also a risk of frostbite if the gas comes into contact with your skin.

In case of an emergency, if you or someone else inhales nitrous oxide and feels unwell, it's crucial to move to fresh air and seek medical help. If the gas causes frostbite, gently thaw the affected area with lukewarm water and avoid rubbing it. Always prioritize safety when using this substance.

Warnings and Precautions

Using Nitrous Oxide can be risky and should only be done under the supervision of a qualified healthcare professional who understands its proper use and potential dangers. This gas is under pressure and can be a fire hazard, so it’s crucial to keep it away from flammable materials and ensure that all safety precautions are followed. Be aware that Nitrous Oxide can cause drowsiness or dizziness, and it may displace oxygen, leading to suffocation. Always use it in a well-ventilated area and avoid contact with skin or eyes, as it can cause frostbite.

If you or someone else inhales Nitrous Oxide and feels unwell, move to fresh air immediately and seek medical help by calling a poison center or a doctor. If the gas comes into contact with skin, gently thaw the affected area with lukewarm water without rubbing it, and get medical attention right away. Remember to read the Safety Data Sheet (SDS) before use to understand all safety measures.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, it's important to be aware of the general signs of an overdose, which can include symptoms like extreme drowsiness, confusion, or difficulty breathing. If you suspect an overdose, it is crucial to seek immediate medical help.

In case of an emergency, call your local emergency services or go to the nearest hospital. Always keep your medications in a safe place and follow the prescribed dosage to prevent any potential risks. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider for guidance.

Pregnancy Use

Using Nitrous Oxide during pregnancy may pose risks and is often not recommended. If you are pregnant or planning to become pregnant, it's important to discuss any use of this gas with your healthcare provider. They can help you understand the potential hazards and determine the safest options for your situation. Always prioritize your health and the health of your baby when considering any medical treatments.

Lactation Use

If you are breastfeeding, you can feel reassured that there are no specific warnings or recommendations regarding the use of Nitrous Oxide while nursing. Additionally, there is no information available about whether Nitrous Oxide is passed into breast milk or any related concerns for breastfeeding mothers.

As always, if you have any questions or concerns about medications and their effects while breastfeeding, it's a good idea to consult with your healthcare provider for personalized advice.

Pediatric Use

When it comes to using Nitrous Oxide in children, the information available does not provide specific guidance. This means there are no recommended ages, dosage differences, or safety concerns outlined for pediatric use. As a parent or caregiver, it's important to consult with a healthcare professional if you have questions about using this treatment for your child, as they can provide personalized advice based on your child's health needs. Always prioritize safety and ensure that any medical decisions are made with the guidance of a qualified expert.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. If you or a loved one is an older adult, it’s always a good idea to discuss any medications with a healthcare provider, especially since older adults may have different health needs and may be taking other medications.

Since there are no dosage adjustments or special precautions mentioned for elderly patients, your healthcare provider can help determine the best approach for you, considering your overall health and any other medications you may be taking. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

Renal Impairment

If you have kidney problems, it's important to know that there is no specific information available regarding dosage adjustments, special monitoring, or safety considerations for using Nitrous Oxide. This means that the insert does not provide guidelines tailored for individuals with renal impairment.

Before using Nitrous Oxide, it's advisable to consult your healthcare provider to discuss your kidney health and any potential risks. They can help determine the best approach for your situation.

Hepatic Impairment

If you have liver problems, it's important to know that the drug insert for Nitrous Oxide does not provide specific information about dosage adjustments, special monitoring, or precautions for your condition. This means that there are no established guidelines for how Nitrous Oxide should be used in patients with liver impairment.

Before using Nitrous Oxide, you should discuss your liver health with your healthcare provider to ensure it is safe for you. They can provide personalized advice and monitor your condition as needed.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. While there are no specific drug interactions or laboratory test interactions noted for this medication, your healthcare provider can help ensure that everything you are taking works well together and is safe for you.

Always feel free to ask questions and share your complete list of medications and any lab tests you may be undergoing. This way, you can receive the best possible care tailored to your needs.

Storage and Handling

To ensure safe storage and handling of the product, keep it away from clothing and other flammable materials. It's important to store and use the product outdoors or in a well-ventilated area to prevent any buildup of harmful gases. Make sure that the valves and fittings are kept free from grease and oil, as these can pose safety risks.

When temperatures rise above 52 degrees Celsius (125 degrees Fahrenheit), protect the product from direct sunlight to avoid overheating. Always open the valve slowly to prevent sudden releases, and remember to close the valve after each use and when the product is empty to maintain safety.

Additional Information

You will use this medication through inhalation, which means you will breathe it in to receive the treatment. There are no additional details available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences related to this medication.

FAQ

What is Nitrous Oxide USP?

Nitrous Oxide USP is a non-flammable gas and an oxidizer, identified by the code UN1070.

Who should administer Nitrous Oxide?

Nitrous Oxide should only be administered by or under the supervision of a licensed practitioner experienced in its use and administration.

What are the safety precautions for using Nitrous Oxide?

You should read and understand all safety precautions before handling Nitrous Oxide, keep it away from combustible materials, and use it only in well-ventilated areas.

What are the potential side effects of Nitrous Oxide?

Nitrous Oxide may cause drowsiness, dizziness, rapid suffocation due to oxygen displacement, and frostbite.

What should I do if Nitrous Oxide is inhaled?

If inhaled, remove the person to fresh air and keep them comfortable for breathing; call a poison center or doctor if they feel unwell.

What should I do if Nitrous Oxide comes into contact with skin?

Thaw frosted parts with lukewarm water without rubbing the area, and seek immediate medical advice.

Is Nitrous Oxide safe to use during pregnancy?

Administration of Nitrous Oxide may be hazardous or contraindicated during pregnancy.

What should I avoid when using Nitrous Oxide?

Avoid breathing the gas, and do not put it in your eyes, on your skin, or on your clothing.

What is the route of administration for Nitrous Oxide?

The route of administration for Nitrous Oxide is respiratory (inhalation).

What should I do in case of a fire involving Nitrous Oxide?

If safe to do so, stop the leak in case of fire, and ensure that you are familiar with the safety data sheet (SDS) before use.

Packaging Info

The table below lists all NDC Code configurations of Nitrous Oxide, the U.S. brand-name prescription product. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Nitrous Oxide.
Details

FDA Insert (PDF)

This is the full prescribing document for Nitrous Oxide, submitted to the U.S. Food and Drug Administration (FDA). It contains official information for healthcare providers, including how to use the medication, possible side effects, and safety warnings.

View FDA-approved insert (PDF)

Description

No Description information provided.

Uses and Indications

This drug is indicated for use in medical settings where Nitrous Oxide is deemed appropriate for analgesia and sedation. Administration of Nitrous Oxide may be hazardous or contraindicated in certain situations. It is intended for use only by or under the supervision of a licensed practitioner who possesses experience in the use and administration of Nitrous Oxide. The practitioner must be knowledgeable about the indications, effects, dosages, methods, frequency, and duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

Limitations of use include the requirement for administration by qualified personnel, ensuring that all safety protocols and guidelines are strictly followed. There are no specific teratogenic or nonteratogenic effects associated with this drug noted in the available data.

Dosage and Administration

Administration of Nitrous Oxide is indicated only for use by or under the supervision of a licensed practitioner who possesses experience in its use and administration. It is essential to recognize that the administration of Nitrous Oxide may pose hazards or be contraindicated in certain situations.

The route of administration for Nitrous Oxide is via respiratory inhalation. Practitioners should ensure that the patient is adequately monitored throughout the procedure to mitigate any potential risks associated with its use.

Contraindications

Administration of Nitrous Oxide is contraindicated in situations where safety precautions have not been fully understood and implemented.

Due to the risk of adverse effects, it is essential to avoid inhalation of the gas. Direct contact with eyes, skin, or clothing should be strictly avoided. Additionally, Nitrous Oxide should only be used and stored in outdoor settings or in well-ventilated areas to minimize potential hazards.

Warnings and Precautions

Administration of Nitrous Oxide may pose significant risks and is contraindicated in certain situations. It is imperative that this agent is used solely by or under the supervision of a licensed practitioner who possesses expertise in its administration. This practitioner must be well-versed in the indications, effects, dosages, methods, frequency, duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

Hazardous Properties Nitrous Oxide is classified as a dangerous oxidizer that may cause or intensify fire. The gas is stored under pressure and poses an explosion risk if subjected to heat. Additionally, exposure to Nitrous Oxide may lead to drowsiness or dizziness, and it has the potential to displace oxygen, resulting in rapid suffocation. Frostbite may occur upon contact with the gas.

Safety Precautions Prior to handling Nitrous Oxide, it is essential that all safety precautions are thoroughly read and understood. The gas should be stored away from clothing and other combustible materials, and care must be taken to keep valves and fittings free from grease and oil. Users should avoid inhaling the gas and ensure it does not come into contact with eyes, skin, or clothing. Nitrous Oxide should only be used and stored outdoors or in well-ventilated areas. In the event of a fire, efforts should be made to stop the leak if it is safe to do so. A backflow preventive device should be utilized in the piping, and only equipment made from compatible materials and rated for cylinder pressure should be employed. Equipment must be cleaned for oxygen service, and valves should be opened slowly and closed after each use or when empty. Protection from sunlight is necessary when ambient temperatures exceed 52 degrees C (125 degrees F). It is crucial to read and follow the Safety Data Sheet (SDS) before use.

First Aid Measures In the event of inhalation, the affected individual should be removed to fresh air and kept comfortable for breathing. If the person feels unwell, it is important to contact a poison center or a physician. For skin exposure, any frostbite should be treated by thawing the affected areas with lukewarm water; rubbing the area is not advised, and immediate medical attention should be sought.

Emergency Medical Assistance If any adverse effects are experienced, including those from skin contact, immediate medical advice or attention should be obtained.

Side Effects

Patients may experience a range of adverse reactions associated with the use of nitrous oxide. Serious warnings include the potential for drowsiness or dizziness, which may impair the ability to perform tasks requiring mental alertness. Additionally, nitrous oxide is classified as an oxidizer and may cause or intensify fire; it is stored under pressure and poses a risk of explosion if heated.

There is also a significant risk of oxygen displacement, which can lead to rapid suffocation. Frostbite is another serious concern, particularly if the gas comes into contact with the skin.

In the event of an adverse reaction, immediate first aid measures are recommended. If inhaled, it is crucial to remove the individual to fresh air and ensure they are comfortable for breathing. Medical assistance should be sought if the person feels unwell. For skin exposure, it is advised to thaw any frosted areas with lukewarm water without rubbing the affected skin, and to obtain immediate medical advice or attention.

These reactions highlight the importance of careful monitoring and management during the use of nitrous oxide in clinical settings.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there is no information available regarding interactions with laboratory tests. As such, no specific recommendations for dosage adjustments or monitoring are warranted at this time.

Packaging & NDC

The table below lists all NDC Code configurations of Nitrous Oxide, the U.S. brand-name prescription product. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Nitrous Oxide.
Details

Pediatric Use

Pediatric use of Nitrous Oxide is not specifically addressed in the available prescribing information. There are no recommended age ranges, dosing differences, safety concerns, or special precautions for pediatric patients mentioned. Healthcare professionals should exercise caution and consider the lack of specific data when contemplating the use of Nitrous Oxide in children.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any potential adverse effects or changes in efficacy, given the lack of targeted data for this population.

Pregnancy

The administration of Nitrous Oxide during pregnancy may pose potential risks and is considered hazardous or contraindicated. Healthcare professionals should exercise caution when considering the use of Nitrous Oxide in pregnant patients, as the effects on fetal outcomes have not been fully established. It is advisable to evaluate the necessity of its use against potential risks to both the mother and the developing fetus. Women of childbearing potential should be informed of these considerations prior to administration.

Lactation

There are no specific warnings or recommendations regarding the use of Nitrous Oxide in lactating mothers. Additionally, there is no information available about the potential for excretion of Nitrous Oxide in breast milk or any related considerations for breastfeeding.

Renal Impairment

There is no specific information regarding renal impairment, dosage adjustments, special monitoring, or safety considerations for patients with reduced kidney function provided in the insert for Nitrous Oxide. Healthcare professionals should exercise caution and consider the lack of data when treating patients with renal impairment.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of Nitrous Oxide. Consequently, there is no available information regarding dosage adjustments, special monitoring requirements, or precautions for this patient population. It is recommended that healthcare providers exercise caution and consider the overall clinical context when administering Nitrous Oxide to patients with compromised liver function.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant regarding the potential risks associated with excessive dosing of the medication.

Should an overdosage occur, it is recommended that healthcare providers assess the patient for any signs or symptoms that may arise. Common symptoms of overdosage can vary widely depending on the medication involved and may include, but are not limited to, neurological disturbances, gastrointestinal symptoms, or cardiovascular effects.

Management of an overdosage situation should involve immediate supportive care. Healthcare professionals are advised to monitor the patient closely and implement appropriate interventions based on the clinical presentation. In cases where the specific antidote or treatment protocol is known, it should be administered as per established guidelines.

It is crucial to consult local poison control centers or relevant medical authorities for guidance on the management of overdosage cases, as they can provide tailored recommendations based on the specific circumstances and the medication involved.

Nonclinical Toxicology

No teratogenic or non-teratogenic effects have been reported in the available nonclinical studies. Additionally, there is no information regarding animal pharmacology and toxicology. The absence of data limits the assessment of potential risks associated with the use of the compound in these contexts.

Postmarketing Experience

Postmarketing experience has shown that Nitrous Oxide may be associated with drowsiness or dizziness. Additionally, there have been reports indicating that Nitrous Oxide may cause frostbite. These events have been reported voluntarily or identified through surveillance programs.

Patient Counseling

Healthcare providers should advise patients that the administration of Nitrous Oxide may pose hazards and is contraindicated in certain situations. It is essential that this substance is used only by or under the supervision of a licensed practitioner who is experienced in its use and familiar with its indications, effects, dosages, methods, frequency, duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

Patients should be made aware of the potential dangers associated with Nitrous Oxide, including its ability to cause or intensify fire, as it is an oxidizer that contains gas under pressure and may explode if heated. They should also be informed that the gas may cause drowsiness or dizziness, and that it can displace oxygen, leading to rapid suffocation. Additionally, exposure to Nitrous Oxide may result in frostbite.

It is crucial for patients to understand the importance of reading and comprehending all safety precautions before handling Nitrous Oxide. They should be instructed to keep and store the gas away from clothing and other combustible materials, ensuring that valves and fittings remain free from grease and oil. Patients should avoid breathing the gas and should not allow it to come into contact with their eyes, skin, or clothing. Furthermore, Nitrous Oxide should only be used and stored outdoors or in well-ventilated areas.

In the event of a fire, patients should be advised to stop the leak if it is safe to do so. They should use a backflow preventive device in the piping and ensure that they are using equipment made of compatible materials that are rated for cylinder pressure and cleaned for oxygen service. Patients should open the valve slowly and close it after each use and when the cylinder is empty. They should also protect the gas from sunlight when the ambient temperature exceeds 52 degrees Celsius (125 degrees Fahrenheit) and read and follow the Safety Data Sheet (SDS) prior to use.

In case of an emergency, patients should be informed of the first aid measures to take. If Nitrous Oxide is inhaled, they should be removed to fresh air and kept comfortable for breathing, and a poison center or physician should be contacted if they feel unwell. If the gas comes into contact with the skin, patients should thaw any frosted areas with lukewarm water without rubbing the affected area and seek immediate medical advice or attention.

Storage and Handling

The product is supplied in configurations that ensure safe handling and storage. It is essential to keep and store the product away from clothing and other combustible materials to prevent fire hazards. Valves and fittings must be maintained free from grease and oil to ensure proper functioning and safety.

For optimal use, the product should only be utilized and stored outdoors or in a well-ventilated area. It is crucial to protect the product from direct sunlight when the ambient temperature exceeds 52 degrees Celsius (125 degrees Fahrenheit) to prevent degradation or safety risks.

When operating the valve, it should be opened slowly to avoid sudden pressure changes. Additionally, the valve must be closed after each use and when the product is empty to maintain safety and prevent leaks.

Additional Clinical Information

The route of administration for the medication is via respiratory inhalation. There are no additional details available regarding laboratory tests, abuse information, patient counseling, or postmarketing experience.

FDA Insert (PDF)

This document is the official FDA-approved prescribing information for Nitrous Oxide as submitted by Holston Gases, Inc. It includes detailed information about indications, dosage, contraindications, warnings, and clinical pharmacology.

View full prescribing information (PDF)

Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It was built from the FDA Structured Product Label (DailyMed) for Nitrous Oxide, retrieved by a validated AI data-extraction workflow.

All FDA-approved dosage forms and strengths are listed in the Packaging & NDC Codes section above. Regulatory status, pharmacologic class (EPC), and mechanism of action (MoA) were cross-checked against the FDA Orange Book (NDA206009) and the NSDE NDC Directory daily file.

Note: an automated daemon monitors NSDE checksums; when the record for this NDC changes, the new file is pulled instantly and this page is refreshed.

No human clinician has reviewed this version.

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Orange Book data shown on this page are limited to Regulatory Status (Rx), Established Pharmacologic Class (EPC), and Mechanism of Action (MoA).

Regulatory data notice: Information on this page is reproduced verbatim from FDA public databases (NSDE, Orange Book, Purple Book, DailyMed SPL). NDA/ANDA drugs are FDA-approved, BLA biologics are FDA-licensed. Inclusion alone does not guarantee current market availability or imply FDA endorsement.

Medical disclaimer: This AI-generated content is provided for educational purposes only and does not constitute medical advice. Always consult a licensed healthcare professional for diagnosis or treatment decisions.